Roadkill hotspots in a protected area of Cerrado in Brazil: planning actions to conservation

Contenido principal del artículo

Autores

Bruno H Saranholi Mariano M Bergel Paulo HP Ruffino Karen G Rodríguez-C Lucas A Ramazzotto Patrícia D de Freitas Pedro M Galetti Jr

Resumen

Objective. Here we aimed to identify the main points of animal death by roadkill in the view of helping mitigation plans and reducing the impact over the local fauna of a protected area. Materials and methods. We surveyed the roads around a protected area of Cerrado (São Paulo, Brazil) from May 2012 to August 2013. We recorded the local of roadkills, biometric and morphologic data of the animals, and collected samples of tissue for molecular species confirmation. Results. Thirty-one roadkilled animals were registered, including threatened species: Leopardus pardalis; Cuniculus paca and Chrysocyon brachyurus. Most roadkills were represented by mammals (54.8%) and reptiles (38.7%), and the mortality rate was 1.46 animals/km/year. Three roadkill hotspots were detected, suggesting that they were important points of animal crossing, probably because of the existence of natural remnant vegetation and intersection of roads by riparian vegetation. Conclusions. This work provided strong evidence of the most critical points where mitigation strategies should be immediately implemented and highlighted the importance of detecting roadkill hotspots and the species or taxonomic groups more affected, helping to elaborate effective actions that can improve fauna conservation.

 

Palabras clave:

Detalles del artículo

Referencias

1. Bager A, Fontoura V. Evaluation of the effectiveness of a wildlife roadkill mitigation system in wetland habitat. Ecol Eng 2013; 53:31−38. http://dx.doi.org/10.1016/j.ecoleng.2013.01.006

2. Coffin AW. From roadkill to road ecology: A review of the ecological effects of roads. J Transp Geogr 2007; 15(5):396−406. http://dx.doi.org/10.1016/j.jtrangeo.2006.11.006

3. Do Prado TR, Ferreira AA, Guimarães ZFS. Efeito da implantação de rodovias no cerrado brasileiro sobre a fauna de vertebrados. Acta Sci Biol Sci 2007; 28(3):237−241. http://dx.doi.org/10.4025/actascibiolsci.v28i3.215

4. Forman RTT, Beckmann JP, Clevenger AP, Huijser M, Hilty JA. Safe passages: highways, wildlife, and habitat connectivity. Island Press; 2012.

5. Coelho IP, Kindel A, Coelho AVP. Roadkills of vertebrate species on two highways through the Atlantic Forest Biosphere Reserve, southern Brazil. Eur J Wildl Res 2008; 54(4):689−699. http://dx.doi.org/10.1007/s10344-008-0197-4

6. Jaarsma CF, van Langevelde F, Botma H. Flattened fauna and mitigation: traffic victims related to road, traffic, vehicle, and species characteristics. Transp Res part D Transp Environ 2006; 11(4):264−276. http://dx.doi.org/10.1016/j.trd.2006.05.001

7. Garriga N, Santos X, Montori A, Richter-Boix A, Franch M, Llorente GA. Are protected areas truly protected? The impact of road traffic on vertebrate fauna. Biodivers Conserv 2012; 21(11):2761−2774. http://dx.doi.org/10.1007/s10531-012-0332-0

8. Fahrig L. Rethinking patch size and isolation effects: the habitat amount hypothesis. J Biogeogr 2013; 1649−1663. http://dx.doi.org/10.1111/jbi.12130

9. Balkenhol N, Waits LP. Molecular road ecology: exploring the potential of genetics for investigating transportation impacts on wildlife. Mol Ecol 2009;18(20):4151−64. http://dx.doi.org/10.1111/j.1365-294X.2009.04322.x

10. Bressan PM, Kierulff MCM, Sugieda AM. Fauna ameaçada de extinção no estado de São Paulo: Vertebrados. Zoálogico de São Paulo, Secretaria do Meio Ambiente, Governo de São Paulo; 2009.

11. Green MR, Sambrook J. Molecular cloning: a laboratory manual. Cold Spring Harbor Laboratory Press New York; 2012.

12. Palumbi S. Simple fool's guide to PCR; 1991.

13. Folmer O, Black M, Hoeh W, Lutz R, Vrijenhoek R. DNA primers for amplification of mitochondrial cytochrome c oxidase subunit I from diverse metazoan invertebrates. Mol Mar Biol Biotechnol 1994; 3(5):294−299.

14. Coelho AVP, Coelho IP, Kindel A. SIRIEMA. Spat Eval Road Mortal Software User's Guid; 2006.

15. Levine N. CrimeStat: A Spatial Statistical Program for the Analysis of Crime Incidents. Encyclopedia of GIS SE - 229. Springer US; 2008.

16. Google Inc, Google Inc. (2005). Google Earth. Mountain View, CA. 2005.

17. QGis DT. Quantum GIS geographic information system. Open Source Geospatial Found Proj. 2011.

18. Da Cunha HF, Moreira FGA, de Sousa Silva S. Roadkill of wild vertebrates along the GO-060 road between Goiânia and Iporá, Goiás State, Brazil. Acta Sci Biol Sci 2010; 32(3):257−263. http://dx.doi.org/10.4025/actascibiolsci.v32i3.4752

19. Ripple WJ, Beschta RL. Large predators limit herbivore densities in northern forest ecosystems. Eur J Wildl Res 2012; 58(4):733−742. http://dx.doi.org/10.1007/s10344-012-0623-5

20. Chamut S, Jahn GA, Arce OEA, Manes ME. Testosterone and reproductive activity in the male Tegu lizard, Tupinambis merianae. Herpetol Conserv Biol 2012; 7(3):299−305.

21. Bueno C, Faustino MT, Freitas S. Influence of landscape characteristics on capybara road-kill on highway BR-040, southeastern Brazil. Oecologia Aust 2013; 17(2):320−327. http://dx.doi.org/10.4257/oeco.2013.1702.11

Descargas

La descarga de datos todavía no está disponible.